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(Unicode C) Retrieve a Single ContactDemonstrates how to retrieve a single contact (by contactId) for the Google Contacts API.
#include <C_CkJsonObjectW.h> #include <C_CkAuthGoogleW.h> #include <C_CkRestW.h> #include <C_CkStringBuilderW.h> #include <C_CkXmlW.h> void ChilkatSample(void) { HCkJsonObjectW jsonToken; BOOL success; HCkAuthGoogleW gAuth; HCkRestW rest; BOOL bAutoReconnect; HCkStringBuilderW sbPath; int numReplacements; HCkStringBuilderW sbResponseBody; HCkXmlW xml; const wchar_t *emailAddress; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // -------------------------------------------------------------------------------------------------------- // Note: The code for setting up the Chilkat REST object and making the initial connection can be done once. // Once connected, the REST object may be re-used for many REST API calls. // (It's a good idea to put the connection setup code in a separate function/subroutine.) // -------------------------------------------------------------------------------------------------------- // It is assumed we previously obtained an OAuth2 access token. // This example loads the JSON access token file // saved by this example: Get Google Contacts OAuth2 Access Token jsonToken = CkJsonObjectW_Create(); success = CkJsonObjectW_LoadFile(jsonToken,L"qa_data/tokens/googleContacts.json"); if (success != TRUE) { wprintf(L"Failed to load googleContacts.json\n"); CkJsonObjectW_Dispose(jsonToken); return; } gAuth = CkAuthGoogleW_Create(); CkAuthGoogleW_putAccessToken(gAuth,CkJsonObjectW_stringOf(jsonToken,L"access_token")); rest = CkRestW_Create(); // Connect using TLS. bAutoReconnect = TRUE; success = CkRestW_Connect(rest,L"www.google.com",443,TRUE,bAutoReconnect); // Provide the authentication credentials (i.e. the access token) CkRestW_SetAuthGoogle(rest,gAuth); // ---------------------------------------------- // OK, the REST connection setup is completed.. // ---------------------------------------------- // To retrieve the contact, send the following: // GET /m8/feeds/contacts/default/full/{contactId} // GData-Version: 3.0 CkRestW_AddHeader(rest,L"GData-Version",L"3.0"); sbPath = CkStringBuilderW_Create(); CkStringBuilderW_Append(sbPath,L"/m8/feeds/contacts/default/full/{contactId}"); // Get the contact having contactId = "7b1c7b6409e718a0" numReplacements = CkStringBuilderW_Replace(sbPath,L"{contactId}",L"7b1c7b6409e718a0"); sbResponseBody = CkStringBuilderW_Create(); success = CkRestW_FullRequestNoBodySb(rest,L"GET",CkStringBuilderW_getAsString(sbPath),sbResponseBody); if (success != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkJsonObjectW_Dispose(jsonToken); CkAuthGoogleW_Dispose(gAuth); CkRestW_Dispose(rest); CkStringBuilderW_Dispose(sbPath); CkStringBuilderW_Dispose(sbResponseBody); return; } // A successful response will have a status code equal to 200. if (CkRestW_getResponseStatusCode(rest) != 200) { wprintf(L"response status code = %d\n",CkRestW_getResponseStatusCode(rest)); wprintf(L"response status text = %s\n",CkRestW_responseStatusText(rest)); wprintf(L"response header: %s\n",CkRestW_responseHeader(rest)); wprintf(L"response body: %s\n",CkStringBuilderW_getAsString(sbResponseBody)); CkJsonObjectW_Dispose(jsonToken); CkAuthGoogleW_Dispose(gAuth); CkRestW_Dispose(rest); CkStringBuilderW_Dispose(sbPath); CkStringBuilderW_Dispose(sbResponseBody); return; } // If the 200 response was received, then the contacts XML is contained // in the response body. xml = CkXmlW_Create(); CkXmlW_LoadSb(xml,sbResponseBody,FALSE); // See below for a sample response body. CkXmlW_SaveXml(xml,L"qa_output/google_contact.xml"); // Now let's parse the XML... wprintf(L"title: %s\n",CkXmlW_getChildContent(xml,L"title")); emailAddress = CkXmlW_chilkatPath(xml,L"gd:email|(address)"); if (CkXmlW_getLastMethodSuccess(xml) == TRUE) { wprintf(L"email address: %s\n",emailAddress); } // The response body XML looks something like this: // <?xml version="1.0" encoding="UTF-8" ?> // <entry gd:etag=""R3kzezVSLit7I2A9XRFaFE8DQAU."" xmlns="http://www.w3.org/2005/Atom" xmlns:batch="http://schemas.google.com/gdata/batch" xmlns:gContact="http://schemas.google.com/contact/2008" xmlns:gd="http://schemas.google.com/g/2005"> // <id>http://www.google.com/m8/feeds/contacts/support%40chilkatcloud.com/base/7b1c7b6409e718a0</id> // <updated>2016-11-18T00:41:56.783Z</updated> // <app:edited xmlns:app="http://www.w3.org/2007/app">2016-11-18T00:41:56.783Z</app:edited> // <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/contact/2008#contact" /> // <title>Chilkat Cloud</title> // <link rel="http://schemas.google.com/contacts/2008/rel#photo" type="image/*" href="https://www.googleapis.com/m8/feeds/photos/media/support%40chilkatcloud.com/7b1c7b6409e718a0" gd:etag=""fgVhPls4Sit7I2BWHUlTWkQMKHUZKHkkaiw."" /> // <link rel="self" type="application/atom+xml" href="https://www.googleapis.com/m8/feeds/contacts/support%40chilkatcloud.com/full/7b1c7b6409e718a0" /> // <link rel="edit" type="application/atom+xml" href="https://www.googleapis.com/m8/feeds/contacts/support%40chilkatcloud.com/full/7b1c7b6409e718a0" /> // <gd:name> // <gd:fullName>Chilkat Cloud</gd:fullName> // <gd:givenName>Chilkat</gd:givenName> // <gd:familyName>Cloud</gd:familyName> // </gd:name> // <gd:email rel="http://schemas.google.com/g/2005#other" address="support@chilkatcloud.com" primary="true" /> // <gContact:groupMembershipInfo deleted="false" href="http://www.google.com/m8/feeds/groups/support%40chilkatcloud.com/base/6" /> // </entry> CkJsonObjectW_Dispose(jsonToken); CkAuthGoogleW_Dispose(gAuth); CkRestW_Dispose(rest); CkStringBuilderW_Dispose(sbPath); CkStringBuilderW_Dispose(sbResponseBody); CkXmlW_Dispose(xml); } |
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